Question

ぴ。

23番の問題で
③、④が違うのはわかるのですが、なぜ②が違うかがわかりません。
教えてください！

prot
③ being protected
having protected
〈東京理科大)
22
Ta) Thanks to this scholarship, I was able to pursue my academic goals.
by This scholarship ( )me to pursue my academic goals.
D allowed
2 wished
3 made
の promised
(亜細亜大)
0
Riding a bicycle ( 3)
)money.
23
2 is able to save
0 enabled me to save
〈立命館大)
131
(4) save me
③ it is able to save
My grandfather encouraged ( 0 ) mystudies.
2me to completing
24